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PARIS — Airlines around the world punished Airbus yesterday for delays in the delivery of its A380 superjumbo, demanding compensation, reconsidering orders — and, in one case, striking a major deal with its rival Boeing Co.

Shares in Airbus’ parent company crashed and Boeing’s soared as repercussions of the production problems with the world’s biggest passenger plane resonated throughout the industry.

They also raised questions about the European plane maker’s management and strategy, and the future of the double-decker A380. Boeing is staking its bets on a smaller, more fuel-efficient model.

Singapore Airlines, one of the world’s top carriers and the first to buy the A380, said it was unhappy with the delays that Airbus announced Tuesday. It demanded compensation and yesterday worsened the blow by announcing that it would buy 20 Boeing 787-9 aircraft worth $4.52 billion and take options on another 20 planes.

Emirates Airlines, another sought-after buyer, said it was reconsidering its order of 45 A380s. Australia’s Qantas Airways said it was seeking talks with Airbus over its orders for 12 A380s and wants some of its money back. Malaysia Airlines said it was reviewing terms of its deal for six of the planes.

Airbus parent European Aeronautic Defense & Space Co. (EADS) saw billions of dollars wiped off its value yesterday as shares plummeted by 26 percent to close at $23.63, after it warned that operating profit would be cut by about $625 million each year between 2007 and 2010.

Shares in Boeing Co., meanwhile, rose 5 percent to $80.88 on the New York Stock Exchange.

“I am extremely sorry vis-a-vis investors who have placed their confidence in EADS,” he said.

The dismal day for Airbus reflected a sharp shift in the Toulouse, France, company’s fortunes since the 555-passenger A380 took a triumphant maiden flight last year over the Pyrenees. Airbus overtook Boeing in order numbers in 2001 and in deliveries in 2003 and until recently looked to be in robust shape.

But the anger fueled by Tuesday’s announcement of production bottlenecks with the plane’s electrical systems — the second major delay for the $300 million A380 — suggests a less rosy future for the plane maker.

“Boeing is eating Airbus’ lunch, certainly this year. And they’ll do it again next year and for the foreseeable future, unless Airbus can pull a rabbit out of a hat,” said Jim Smith, aviation analyst and editor of Jane’s Transport Finance.

It was the second Airbus project to falter in recent years, after the A350, which it hoped would be the answer to Boeing’s 787.

The Singapore-Boeing deal stung especially because Airbus had hoped that Singapore Airlines would be one of the first and biggest customers for the A350. But airline dissatisfaction with the A350 has forced Airbus to redesign some of its parts and consider a costly overhaul, delaying its launch for several years.

Airbus insisted yesterday that it was not the A380 itself but minor production problems causing the delay.

“There have been minor production issues, which have accumulated into a large number and require a complete, very detailed rethinking of the installation process of wires and harnesses,” said Thore Prang, spokesman for the company in Hamburg. “It has nothing to do with the aircraft.”

The A380 delay “couldn’t be a worse timing for Airbus,” said aviation analyst Richard Pinkham of the Centre for Asia Pacific Aviation. “Especially as it comes on the heels of the PR problems they had with the A350.”

With the A380, Airbus is taking a risk because only a few of the world’s airports have runways long enough and terminals that can be modified to deal with its double-deckers, analysts said.

Airbus wagered that the airline industry increasingly would offer large flights to international hubs. But Boeing bet that air travel would be marked by the need for fuel efficiency and long-haul flights and is focusing on the 330-passenger 787.

“EADS made a strategic error by opting for a jumbo-sized jet rather than a fuel-efficient model, especially if the price of oil increases further,” said Matthieu Raimbault of French brokerage Viel Tradition.